Robet L. Risberg

Person

  • Brookfield, WI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Asymmetrical A.C. welder

    • Patent number 4,038,515
    • Issue date Jul 26, 1977
    • Miller Electric Manufacturing Company
    • Robet L. Risberg
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR